EP0372954A1 - Dérivés d'imidazole substitué et leur procédé de préparation et leur utilisation - Google Patents

Dérivés d'imidazole substitué et leur procédé de préparation et leur utilisation Download PDF

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Publication number
EP0372954A1
EP0372954A1 EP89312755A EP89312755A EP0372954A1 EP 0372954 A1 EP0372954 A1 EP 0372954A1 EP 89312755 A EP89312755 A EP 89312755A EP 89312755 A EP89312755 A EP 89312755A EP 0372954 A1 EP0372954 A1 EP 0372954A1
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EP
European Patent Office
Prior art keywords
ethyl
alkyl
dihydro
inden
formula
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EP89312755A
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German (de)
English (en)
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EP0372954B1 (fr
Inventor
Arto Johannes Karjalainen
Raimo Einari Virtanen
Arja Leena Karjalainen
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Orion Oyj
Original Assignee
Farmos Yhtyma Oy
Orion Yhtyma Oy
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Priority to AT89312755T priority Critical patent/ATE102608T1/de
Publication of EP0372954A1 publication Critical patent/EP0372954A1/fr
Application granted granted Critical
Publication of EP0372954B1 publication Critical patent/EP0372954B1/fr
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Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
    • C07D233/58—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/415—1,2-Diazoles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P7/00—Drugs for disorders of the blood or the extracellular fluid
    • A61P7/10—Antioedematous agents; Diuretics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P9/00—Drugs for disorders of the cardiovascular system
    • A61P9/12—Antihypertensives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D233/06—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/64—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine

Definitions

  • the present invention relates to novel 4(5)-substituted imidazole derivatives and their non-toxic salts, and their preparation, to pharmaceutical compositions containing them, and to their use.
  • the imidazole derivatives of this invention are new potent, selective and long-acting ⁇ 2-receptor antagonists and have the general formula: wherein X is -CH2- or - - R l is H, C l-5 -alkyl or benzyl, which can be unsubstituted or substituted by e.g., C l-3 alkyl, C l-3 alkoxy or halogen, R2 is H, C1 ⁇ 4-alkyl, OH or C1 ⁇ 3-alkoxy R3 is H, CH3, CH2CH3, OCH3 or Hal R4 is H, CH3, CH2CH3, OCH3 or Hal, and Hal is halogen, provided that when R2 is H or C1-3-alkyl then R1 cannot be hydrogen and when R2 is OH or C1 ⁇ 3-alkoxy then X cannot be CO.
  • the non-toxic, pharmaceutically acceptable acid addition salts of these compounds are also within the scope of the invention.
  • the compounds of the formula (I) form acid addition salts with both organic and inorganic acids. They can thus form many pharmaceutically usable acid addition salts, as for instance, chlorides, bromides, sulfates, nitrates, phosphates, sulfonates, formates, tartrates, maleates, citrates, benzoates, salicylates, ascorbates and the like.
  • Valuable ⁇ 2-adrenoceptor antagonists have been disclosed earlier e.g. in the European patent publications No. 183492 and 247764.
  • the compounds of this invention are highly selective and longacting antagonists at ⁇ 2-adrenoceptors and they may be especially valuable in the treatment of diabetes.
  • ⁇ -adrenoceptors can be divided on a pharmacological basis into two subclasses, viz ⁇ 1- and ⁇ 2-adrenoceptors (see e.g. Starke & Mederty, J. Cardiovasc. Pharmacol., I, Suppl. 1, S14-523, 1981). It is well established that while ⁇ 1-adrenoceptors are located postsynaptically, ⁇ 2-­adrenoceptors are situated both at presynaptic nerve terminals and postsynaptically e.g. in vascular smooth muscle, platelets, pancreatic ⁇ -cells, fat cells and central nervous system.
  • the presynaptic ⁇ 2-receptors modulate the release of noradrenaline by means of a negative feedback mechanism.
  • noradrenaline release is inhibited.
  • Blockade of these receptors by an ⁇ 2-antagonist increases the release of noradrenaline.
  • ⁇ 2-adrenoceptor antagonism at presynaptic ⁇ 2-receptors can thus be expected to be of use in disease states which are believed to be connected with deficiency of noradrenaline available in the postsynaptic adrenoceptors. These diseases include e.g. endogeneous depresssion.
  • postsynaptic ⁇ 2-adrenoceptors The best known pharmacodynamic effect mediated by postsynaptic ⁇ 2-adrenoceptors is the contraction of vascular smooth muscle. Blockade of peripheral postsynaptic ⁇ 2-­adrenoceptors in blood vessels can thus be expected to dilate the vessel and lead to decrease in the blood pressure (Ruffolo et al., J. Cardiovasc. Pharm. 10, 100-103, 1987). ⁇ 2-blockers may thus be valuable as antihypertensive agents. It is now, however, becoming clear that postsynaptic ⁇ 2-­ adrenoceptors have also significance in some other physiological functions.
  • pancreatic Langerhans islets stimulation of postsynaptically located ⁇ 2-adrenoceptors in islet ⁇ -cells decreases the amount of insulin released in response to a glucose challenge
  • ⁇ 2-adrenoceptor antagonists are known to be able to increase plasma insulin levels and thus decrease blood glucose levels (Clague et al., Br. J. Pharmacol. 83, 436P, 1984).
  • ⁇ 2-antagonism in the pancreatic ⁇ -cell can thus be expected to be a potential mechanism for novel antidiabetic agents.
  • Lipid metabolism in fat cells is also regulated by an inhibitory mechanism involving ⁇ 2-adrenoceptors.
  • An ⁇ 2-agonists inhibit lipolysis antagonists increase it (Carpene et al., Experientia 36, 1413-1414, 1980).
  • ⁇ 2-blocker may thus be of use in obesity.
  • ⁇ 2-adrenoceptors also take part in platelet aggregation. It has been shown that ⁇ 2-agonists activate while antagonists inhibit human platelet aggregation (Grant & Schutter, Nature 277, 659-682, 1979). ⁇ 2-antagonists may thus be useful in pathogenic states involving increased aggregation, e.g. in migraine.
  • the present invention resides in the discovery of a group of compounds which exhibit selective and long-acting antagonism at ⁇ 2-adrenoceptors.
  • This group of compounds has e.g. a potent ability to increase insulin release from pancreas.
  • Preferred compounds include: 4-(2-ethyl-2,3-dihydro-lH-inden-2-yl)-l-methyl-lH-imidazole 5-(2-ethyl-2,3-dihydro-lH-inden-2-yl)-l-methyl-lH-imidazole l-ethyl-4-(2-ethyl-2,3-dihydro-lH-inden-2-yl)-lH-imidazole l-ethyl-5-(2-ethyl-2,3-dihydro-lH-inden-2-yl)-lH-imidazole 4-(2-ethyl-2,3-dihydro-lH-inden-2-yl)-l- n -propyl-lH-imidazole 5-(2-ethyl-2,3-dihydro-lH- inden-2-yl)-l- n -propyl-lH-imidazole
  • the duration of the ⁇ 2-blocking action of the compounds was determined as follows: the antagonists were administered orally at eqvipotent doses to groups of 4 rats 1, 2, 4, 7 or 16 hours before induction of anaesthesia and challenge with cumulative i.v. dosing of detomidine. By calculating the percentage antagonism of the mydriatic effect of 0,1 mg/kg detomidine for each pretreatment group, a time-effect relationship was established. This in turn permitted the measurement of the time taken for the antagonist effect to fall by half. Results are shown in table 2.
  • pancreas were isolated from Sprague-Dawley rats under anaesthesia and perfused in vitro through its own arterial system with a physiological saline solution containing an appropriate glucose concentration (11 mM) to induce moderate insulin secretion (Hillarire-Buys et al., Eur. J. Pharmacol., 117, 253-257, 1985). Samples for determination of insulin concentration in the perfusate were collected before and during 30 min after adding the studied compounds + glucose.
  • Insulin was measured by a RIA-kit (NOVO). Examples of results from this test are shown in Table 3. Table 3 Treatment Insulin (ng/ml) in the perfusate -5 min +1 min +10 min +20 min +30 min Control ⁇ 0.1 5.0 2.2 3.9 7.8 Comp. No. 7 1 x 10 ⁇ 6M ⁇ 0.1 26.0 11.5 15.9 22.0 atipamezole 1 x 10 ⁇ 6M ⁇ 0.1 5.0 3.0 6.3 15.1
  • the acute toxicity, LD50 was determined in rats by oral administration.
  • the LD50 value for the compounds is from 100 to 200 mg/kg.
  • the compounds of this invention react with organic and inorganic acids to form many pharmaceutically usable acid addition salts, as, for instance, chlorides, bromides, sulfates, nitrates, phosphates, sulfonates, formates, tartrates, maleates, citrates, benzoates, salicylates, ascorbates and the like.
  • the salts have the same therapeutic activity as the base.
  • the compounds and their non-toxic, pharmaceutically acceptable acid addition salts may be administered orally, parenterally or intravenously.
  • the compounds are preferably administered orally at a daily dose of 0,1 to 10 mg/kg, preferably 1 to 2 mg/kg.
  • the pharmaceutical carriers which are typically employed with the compound of the invention may be solid or liquid and are generally selected with the planned manner of administration in mind.
  • the compounds of formula (I) can be prepared according to the following methods:
  • R1 is other than hydrogen
  • R1X alkyl- or arylalkylhalogenide
  • R1X C1 ⁇ 5-alkyl or substituted or unsubstituted benzyl
  • X halogen
  • Solvents which may be used include for example, toluene, acetonitrile and lower alkyl alcohols. Especially successfully the reaction can be carried out in two phase conditions.
  • a favourable combination of solvents is a sodium hydroxide-toluene mixture in the presence of a two phase catalyst such as tetrabutylammonium bromide.
  • Suitable indene carboxylates of formula II can be preparated using the process of EP-A-247764.
  • the NMR spectra were determined with a Bruker WB 80 DS spectrometer using tetramethylsilane as the internal reference, from which the presented chemical shifts ( ⁇ , ppm) were measured downfield.
  • the letters s, d, t and m are used to indicate a singlet, doublet, triplet or multiplet, respectively. In the same connection, the number of hydrogen atoms is also stated.
  • the compouds which are indicated as bases are tested in deuterium methanol, deuterium acetone or deuterium chloroform, while the values for compounds which are indicated as hydrochlorides were determined in deuterium oxide or deuterium methanol.
  • the mass spectra were determined with a Kratos MS 80 RF Autoconsole apparatus.
  • the benzylation of 4-(2-ethyl-2,3-dihydro-1H-inden-2-yl)-1H-­imidazole was performed according to example 1 by benzylation with benzyl chloride. The yield was 100 %.
  • the hydrochloride was prepared in ethyl acetate. M.p. of the hydrochloride was 158-161°C.
  • the hydrochloride was an oil. HC1-salt, 1H NMR (80 MHz, MeOH-d4): ⁇ 0.89 (3H, distorted t, -CH2C H 3), 1.02-1.44 (2H, m, CH2C H 2CH3), 1.68-2.28 (2H, m, C H 2CH2CH3), 3.57 (2H broad s, indane ring CH2), 3.93 (3N, s, >NCH3), 7.37-7.87 (5H, m, arom.
  • the aqueous solution was washed with methylene chloride and made alkaline with sodium hydroxide.
  • the product was extracted in ethyl acetate.
  • the precipitate formed during the extraction was filtered and washed several times with hot ethyl acetate and methylene chloride.
  • the organic solutions were combined, dried and evaporated.
  • the hydrochloride of the product was made in ethyl acetate by HC1-ethyl acetate, m.p. 181-184°C.
  • Tetrabutylammonium bromide (0,51 g) and 48 % NaOH-solution (26 ml) were mixed.
  • reaction was performed according to example 9c using 1,66 g of [2-(1-benzyl-1H-imidazol-4-yl)-2,3-dihydro-1H-­inden-2-yl]methanol (base) and 1,42 g of methyl iodide as starting materials, sodium hydride (0,84 g of a 50 % dispersion of NaH in mineral oil) as reagent and dry tetrahydrofuran as solvent.
  • l-ethyl-4-(2,3-dihydro-2-methoxymethyl-lH-inden-2-yl)-lH-­imidazole was produced using the method according to example 9c. The yield was 83%.
  • the hydrochloride was prepared in ethyl acetate, m.p. 172-174 o C.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Diabetes (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Hematology (AREA)
  • Endocrinology (AREA)
  • Emergency Medicine (AREA)
  • Obesity (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pain & Pain Management (AREA)
  • Rheumatology (AREA)
  • Epidemiology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
EP89312755A 1988-12-09 1989-12-07 Dérivés d'imidazole substitué et leur procédé de préparation et leur utilisation Expired - Lifetime EP0372954B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89312755T ATE102608T1 (de) 1988-12-09 1989-12-07 Substituierte imidazol-derivate und verfahren zu deren herstellung und anwendung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8828831 1988-12-09
GB8828831A GB2225782A (en) 1988-12-09 1988-12-09 Imidazole derivatives useful for treatment of diabetes

Publications (2)

Publication Number Publication Date
EP0372954A1 true EP0372954A1 (fr) 1990-06-13
EP0372954B1 EP0372954B1 (fr) 1994-03-09

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EP89312755A Expired - Lifetime EP0372954B1 (fr) 1988-12-09 1989-12-07 Dérivés d'imidazole substitué et leur procédé de préparation et leur utilisation

Country Status (22)

Country Link
US (1) US5292887A (fr)
EP (1) EP0372954B1 (fr)
JP (1) JP2868813B2 (fr)
KR (1) KR900009605A (fr)
CN (1) CN1023219C (fr)
AT (1) ATE102608T1 (fr)
AU (1) AU619928B2 (fr)
CA (1) CA2004799A1 (fr)
DD (1) DD290880A5 (fr)
DE (1) DE68913673T2 (fr)
DK (1) DK603789A (fr)
ES (1) ES2052937T3 (fr)
FI (1) FI96026C (fr)
GB (1) GB2225782A (fr)
HU (1) HU205086B (fr)
IE (1) IE61870B1 (fr)
IL (1) IL92609A0 (fr)
NO (1) NO177138C (fr)
NZ (1) NZ231649A (fr)
PT (1) PT92515B (fr)
RU (2) RU1831479C (fr)
ZA (1) ZA899366B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993013074A1 (fr) * 1991-12-20 1993-07-08 Orion-Yhtymä Oy Derives d'imidazole substitue, leur preparation et leur utilisation
LT3468B (en) 1993-06-18 1995-10-25 Orion Yhtymae Oy New optical isomers and process for preparing thereof
FR2735776A1 (fr) * 1995-06-22 1996-12-27 Synthelabo Derives de 2,3-dihydro-1h-indole, leur preparation et leur application en therapeutique
WO2001085698A1 (fr) * 2000-05-08 2001-11-15 Orion Corporation Indanylimidazoles polycycliques a activite alpha2 adrenergique

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI862039A0 (fi) * 1986-05-15 1986-05-15 Farmos Oy Nytt foerfarande foer framstaellning av 4(5)-substituerade imidazolderivat.
AU3033100A (en) * 1999-01-18 2000-08-01 Boehringer Ingelheim International Gmbh Substituted imidazoles, their preparation and use
US6388090B2 (en) 2000-01-14 2002-05-14 Orion Corporation Imidazole derivatives
FI20000073A0 (fi) * 2000-01-14 2000-01-14 Orion Yhtymae Oy Uusia imidatsolijohdannaisia
US8188126B2 (en) 2002-05-16 2012-05-29 Pierre Fabre Medicament Imidazolic compounds and use thereof as alpha-2 adrenergic receptors
FR2839719B1 (fr) * 2002-05-16 2004-08-06 Pf Medicament Nouveaux composes imidazoliques, leur procede de preparation et leur utilisation a titre de medicaments
GB0226076D0 (en) * 2002-11-08 2002-12-18 Rp Scherer Technologies Inc Improved formulations containing substituted imidazole derivatives

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183492A1 (fr) * 1984-11-23 1986-06-04 Farmos-Yhtyma Oy Dérivés d'imidazole substitués, leur préparation et leur application
EP0247764A1 (fr) * 1986-05-15 1987-12-02 Orion-Yhtymà„ Oy Dérivés de l'imidazole 4(5)-substitué ainsi que produits intermédiaires et procédés pour leur préparation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0183492A1 (fr) * 1984-11-23 1986-06-04 Farmos-Yhtyma Oy Dérivés d'imidazole substitués, leur préparation et leur application
EP0310745A2 (fr) * 1984-11-23 1989-04-12 Orion-Yhtymä Oy Dérivés d'imidazole substitué et leur préparation et utilisation
EP0247764A1 (fr) * 1986-05-15 1987-12-02 Orion-Yhtymà„ Oy Dérivés de l'imidazole 4(5)-substitué ainsi que produits intermédiaires et procédés pour leur préparation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993013074A1 (fr) * 1991-12-20 1993-07-08 Orion-Yhtymä Oy Derives d'imidazole substitue, leur preparation et leur utilisation
AU664584B2 (en) * 1991-12-20 1995-11-23 Oy Juvantia Pharma Ltd Substituted imidazole derivatives and their preparation and use
LT3468B (en) 1993-06-18 1995-10-25 Orion Yhtymae Oy New optical isomers and process for preparing thereof
FR2735776A1 (fr) * 1995-06-22 1996-12-27 Synthelabo Derives de 2,3-dihydro-1h-indole, leur preparation et leur application en therapeutique
WO2001085698A1 (fr) * 2000-05-08 2001-11-15 Orion Corporation Indanylimidazoles polycycliques a activite alpha2 adrenergique
US6362211B2 (en) 2000-05-08 2002-03-26 Orion Corporation Polycyclic indanylimidazoles with alpha2 adrenergic activity

Also Published As

Publication number Publication date
NO894563D0 (no) 1989-11-16
JPH02202874A (ja) 1990-08-10
GB8828831D0 (en) 1989-01-18
FI96026C (fi) 1996-04-25
DE68913673T2 (de) 1994-07-14
JP2868813B2 (ja) 1999-03-10
RU1833375C (en) 1993-08-07
ZA899366B (en) 1991-03-27
GB2225782A (en) 1990-06-13
IE893926L (en) 1990-06-09
FI895325A0 (fi) 1989-11-09
DE68913673D1 (de) 1994-04-14
RU1831479C (ru) 1993-07-30
AU619928B2 (en) 1992-02-06
FI96026B (fi) 1996-01-15
EP0372954B1 (fr) 1994-03-09
DD290880A5 (de) 1991-06-13
CN1023219C (zh) 1993-12-22
DK603789A (da) 1990-06-10
HUT52065A (en) 1990-06-28
IL92609A0 (en) 1990-08-31
AU4599289A (en) 1990-08-16
NO177138C (no) 1995-07-26
PT92515A (pt) 1990-06-29
IE61870B1 (en) 1994-11-30
ATE102608T1 (de) 1994-03-15
KR900009605A (ko) 1990-07-05
CA2004799A1 (fr) 1990-06-09
NO894563L (no) 1990-06-11
DK603789D0 (da) 1989-11-30
NZ231649A (en) 1991-09-25
NO177138B (no) 1995-04-18
US5292887A (en) 1994-03-08
PT92515B (pt) 1995-08-09
HU205086B (en) 1992-03-30
CN1043128A (zh) 1990-06-20
ES2052937T3 (es) 1994-07-16

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